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rainbow_rocks03

  • one year ago

PLZ HELP , NO DIRECT ANSWERS PLZ. State whether either extreme in the data set is an outlier. A. The upper extreme is an outlier. B. Neither extreme is an outlier. C. Both extremes are outliers. D. The lower extreme is an outlier.

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  1. rainbow_rocks03
    • one year ago
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    @shilo120

  2. amistre64
    • one year ago
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    do you have a rule for determining outliers?

  3. anonymous
    • one year ago
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    i would say C

  4. amistre64
    • one year ago
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    if i recall these questions from previous encounters Q1 to Q3 is 50% of the data, so its range is relevant. Q1 - (IQR)/2 would define the lowest non outlier Q3 + (IQR)/2 would define the highest non outlier

  5. anonymous
    • one year ago
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    this question isnt mine

  6. amistre64
    • one year ago
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    What is the IQR?

  7. rainbow_rocks03
    • one year ago
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    25?

  8. amistre64
    • one year ago
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    22

  9. rainbow_rocks03
    • one year ago
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    oh

  10. amistre64
    • one year ago
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    68 to 90 is 22

  11. amistre64
    • one year ago
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    so 68-11 is our lowest non outlier limit 90+11 is our highest non outlier limit assuming you go by the IQR rule for outliers

  12. rainbow_rocks03
    • one year ago
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    68-11=57 & 90+11=101

  13. amistre64
    • one year ago
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    good, and as we can see the entire box plot is within 57 to 101, so what is our conclusion?

  14. rainbow_rocks03
    • one year ago
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    B?

  15. amistre64
    • one year ago
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    i would go with B as well, and this link might provide a better overview of what i was trying to recall ... just in case i made some sort of error. http://www.mathwords.com/o/outlier.htm

  16. rainbow_rocks03
    • one year ago
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    ok TY. ^_^

  17. amistre64
    • one year ago
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    the link says use 1.5(IQR) which is greater then (IQR)/2 ... so we should be fine regardelss :)

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